| original |
Early Hauterivian |
|
USSR |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
| details |
Late Jurassic |
Early Cretaceous |
USSR(Ukrainian SSR) |
Lomayeva,E.T. Spores and pollen of Pre Upper Cretaceous sediments occurring in the Zhitomir area |
1961 |
| details |
Late Albian |
|
USSR(Caucasus) |
Aliev,M.M. et al. On characteristic Albian deposits of southeast greater Caucasus. (In: Cretaceous deposits of eastern Caucasus and adjacent Regions. M.M.Aliev, editor) |
1967 |
| details |
Late Albian |
|
USSR(Ukrainian SSR) |
Kuvayeva,S.B. et al. Palynological characteristic of the Lower Cretaceous deposits of the mountain part of Crimea. |
1973 |